lance armstrong opening up about doping to oprah. we have reports that the justice department is likely to join a whistleblower lawsuit filed by former teammate against armstrong. then, of course, there is the money headache. liz will joins us now. where do you start? it appears as if his attorneys and armstrong are already talking to justice about beginning to pay back the u.s. postal service. >> i think this has been at work for a long time. first of all, he could be charged with perjury. what the lawyers did do, i am sure, is take that off the table. if he goes forward and he is willing to talk about other dopers or sponsors, not sponsors, but other people that pushed him. dagen: other people who were involved. >> give them up. dagen: a criminal case against him that was dropped earlier this year. >> exactly. until you are acquitted of something, those charges can always be brought. that was the first thing for the lawyers. why after all of these years, dagen, after denying countless times that he did not dope, that he was no part